Package com.vaadin.client.ui.colorpicker

Class AbstractColorPickerConnector

java.lang.Object

com.vaadin.client.ui.AbstractConnector

com.vaadin.client.ui.AbstractComponentConnector

com.vaadin.client.ui.colorpicker.AbstractColorPickerConnector

All Implemented Interfaces:

com.google.gwt.event.dom.client.ClickHandler, com.google.gwt.event.shared.EventHandler, StateChangeEvent.StateChangeHandler, ComponentConnector, HasWidget, ServerConnector, HasErrorIndicator, Connector, Serializable

Direct Known Subclasses:

ColorPickerAreaConnector, ColorPickerConnector

public abstract class AbstractColorPickerConnector
extends AbstractComponentConnector
implements com.google.gwt.event.dom.client.ClickHandler

An abstract class that defines default implementation for a color picker connector.

Since:

7.0.0

See Also:

Serialized Form

Field Summary

Fields inherited from class com.vaadin.client.ui.AbstractComponentConnector

SIGNIFICANT_MOVE_THRESHOLD

Constructor Summary

Constructors

Constructor	Description
AbstractColorPickerConnector()

Method Summary

Modifier and Type	Method	Description
boolean	delegateCaptionHandling()	Return true if parent handles caption, false if the paintable handles the caption itself.
protected String	getCaption()	Get caption for the color picker widget.
AbstractColorPickerState	getState()	Returns the shared state object for this connector.
void	init()	Called when the connector has been initialized.
void	onStateChanged(StateChangeEvent stateChangeEvent)	Notifies the event handler that the state has changed.
protected abstract void	refreshColor()	Update the widget to show the currently selected color.
protected void	refreshDefaultCaptionStyle()	Add/remove default caption style.
protected abstract void	setCaption(String caption)	Set caption of the color picker widget.

Methods inherited from class com.vaadin.client.ui.AbstractComponentConnector

createWidget, flush, getIcon, getIconUri, getLayoutManager, getTooltipInfo, getWidget, hasTooltip, isErrorIndicatorVisible, isRealUpdate, isRelativeHeight, isRelativeWidth, isUndefinedHeight, isUndefinedWidth, onDragSourceAttached, onDragSourceDetached, onDropTargetAttached, onDropTargetDetached, onUnregister, registerTouchHandlers, sendContextClickEvent, setWidgetEnabled, setWidgetStyleName, setWidgetStyleNameWithPrefix, shouldHandleLongTap, unregisterTouchHandlers, updateComponentSize, updateComponentSize, updateEnabledState, updateWidgetSize, updateWidgetStyleNames

Methods inherited from class com.vaadin.client.ui.AbstractConnector

addStateChangeHandler, addStateChangeHandler, createState, doInit, ensureHandlerManager, fireEvent, forceStateChange, getChildren, getConnection, getConnectorId, getParent, getResourceUrl, getRpcImplementations, getRpcProxy, getStateType, getTag, hasEventListener, isEnabled, registerRpc, removeStateChangeHandler, removeStateChangeHandler, setChildren, setParent, setTag, unregisterRpc

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.google.gwt.event.dom.client.ClickHandler

onClick

Methods inherited from interface com.vaadin.shared.Connector

getConnectorId

Methods inherited from interface com.vaadin.client.ServerConnector

addStateChangeHandler, addStateChangeHandler, doInit, fireEvent, getChildren, getConnection, getParent, getRpcImplementations, getTag, hasEventListener, isEnabled, removeStateChangeHandler, removeStateChangeHandler, setChildren, setParent, setTag

Constructor Detail

AbstractColorPickerConnector

public AbstractColorPickerConnector()

Method Detail

getState

public AbstractColorPickerState getState()

Description copied from class: AbstractConnector

Returns the shared state object for this connector. Override this method to define the shared state type for your connector.

Specified by:

getState in interface ComponentConnector

Specified by:

getState in interface ServerConnector

Overrides:

getState in class AbstractComponentConnector

Returns:

the current shared state (never null)

delegateCaptionHandling

public boolean delegateCaptionHandling()

Description copied from interface: ComponentConnector

Return true if parent handles caption, false if the paintable handles the caption itself.

This should always return true and all components should let the parent handle the caption and use other attributes for internal texts in the component

Specified by:

delegateCaptionHandling in interface ComponentConnector

Overrides:

delegateCaptionHandling in class AbstractComponentConnector

Returns:

true if caption handling is delegated to the parent, false if parent should not be allowed to render caption

onStateChanged

public void onStateChanged(StateChangeEvent stateChangeEvent)

Description copied from interface: StateChangeEvent.StateChangeHandler

Notifies the event handler that the state has changed.

Specified by:

onStateChanged in interface StateChangeEvent.StateChangeHandler

Overrides:

onStateChanged in class AbstractComponentConnector

Parameters:

stateChangeEvent - the state change event with details about the change

init

public void init()

Description copied from class: AbstractConnector

Called when the connector has been initialized. Override this method to perform initialization of the connector.

Overrides:

init in class AbstractConnector

getCaption

protected String getCaption()

Get caption for the color picker widget.

Returns:

the caption

refreshDefaultCaptionStyle

protected void refreshDefaultCaptionStyle()

Add/remove default caption style.

setCaption

protected abstract void setCaption(String caption)

Set caption of the color picker widget.

Parameters:

caption - the caption to set

refreshColor

protected abstract void refreshColor()

Update the widget to show the currently selected color.